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Finding the Third Proportional to 175 and 262.63

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Solution

The third proportional to 175 and 262.63 is: 394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175 : 262.63 = 262.63 : x
  2. Step 2: Convert to fraction form
    175/262.63 = 262.63/x
  3. Step 3: Cross multiply
    175x = 262.63 × 262.63
  4. Step 4: Simplify right side
    175x = 68,971.89
  5. Step 5: Solve for x
    x = 68,971.89/175
  6. Step 6: Final answer
    x = 394.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.